/* ==========================================================================
   Cobalt & Cream Contemporary Poster Design System
   ========================================================================== */

:root {
  --bg-color: #FBF8F0;
  --color-cobalt: #3154A6;
  --color-cobalt-hover: #264388;
  --color-cobalt-light: #EBF1FC;
  --color-cobalt-subtle: #D6E4F9;
  --color-ink: #252B3B;
  --color-ink-light: #4A5368;
  --color-ink-muted: #6B7280;
  --color-cream: #EFE9D8;
  --color-cream-deep: #E3D9C3;
  --color-cream-subtle: #F5EFE0;
  --color-border: #DFD7C2;
  --color-border-dark: #252B3B;
  --color-white: #FFFFFF;
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", STSong, "SimSun", Georgia, serif;
  
  --body-size: 17px;
  --body-line-height: 1.7;
  --container-max: 1240px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--body-size);
  line-height: var(--body-line-height);
  color: var(--color-ink);
  background-color: var(--bg-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-cobalt);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

a:hover, a:focus-visible {
  color: var(--color-cobalt-hover);
  text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1.25;
}

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--color-cobalt);
  color: var(--color-white);
  padding: 12px 20px;
  z-index: 1000;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 20px;
}

/* Base Layout Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Pull Quotes - ONLY place for Serif */
.pull-quote {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--color-ink);
  border-left: 4px solid var(--color-cobalt);
  padding: 16px 24px;
  margin: 28px 0;
  background-color: var(--color-cream-subtle);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ==========================================================================
   Navigation Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(251, 248, 240, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--color-ink);
  transition: background-color var(--transition-normal);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-ink);
}

.brand-logo:hover, .brand-logo:focus-visible {
  text-decoration: none;
}

.logo-badge {
  width: 38px;
  height: 38px;
  background-color: var(--color-cobalt);
  color: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-ink);
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

.brand-text span {
  color: var(--color-cobalt);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  padding: 6px 0;
  position: relative;
}

.nav-link:hover, .nav-link:focus-visible, .nav-link.active {
  color: var(--color-cobalt);
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-cobalt);
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}

.btn-cobalt {
  background-color: var(--color-cobalt);
  color: var(--color-white);
  border-color: var(--color-ink);
  box-shadow: 2px 2px 0 var(--color-ink);
}

.btn-cobalt:hover, .btn-cobalt:focus-visible {
  background-color: var(--color-cobalt-hover);
  color: var(--color-white);
  text-decoration: none;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--color-ink);
}

.btn-cobalt:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--color-ink);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn-outline:hover, .btn-outline:focus-visible {
  background-color: var(--color-cream);
  color: var(--color-cobalt);
  text-decoration: none;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  cursor: pointer;
  color: var(--color-ink);
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

/* Mobile Navigation Drawer */
.mobile-menu-drawer {
  display: none;
  position: fixed;
  top: 74px;
  left: 0;
  width: 100%;
  background-color: var(--bg-color);
  border-bottom: 2px solid var(--color-ink);
  padding: 24px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  z-index: 49;
}

.mobile-menu-drawer.is-open {
  display: block;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.mobile-nav-links .nav-link {
  font-size: 1.15rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
}

/* ==========================================================================
   Hero Section - Typographic Poster
   ========================================================================== */

.hero-section {
  position: relative;
  padding: 56px 0 64px 0;
  border-bottom: 2px solid var(--color-ink);
  background: var(--bg-color);
  overflow: hidden;
}

/* Animated Blue Line Across Hero on Load */
.hero-animated-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-cobalt);
  transform-origin: left;
  animation: drawBlueLine 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes drawBlueLine {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: stretch;
}

.hero-poster-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.kicker-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-cream);
  color: var(--color-cobalt);
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  align-self: flex-start;
}

.hero-h1 {
  font-size: 65px;
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin-bottom: 24px;
}

.hero-h1 .blue-accent {
  color: var(--color-cobalt);
  position: relative;
  display: inline-block;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-ink-light);
  margin-bottom: 32px;
  max-width: 620px;
}

.hero-cta-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-meta-badges {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink-muted);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-meta-item svg {
  color: var(--color-cobalt);
}

/* Right Network Dashboard - Distinctive Vertical Panel */
.network-dashboard-panel {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  box-shadow: 6px 6px 0 var(--color-ink);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dashboard-header {
  background-color: var(--color-ink);
  color: var(--color-cream);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid var(--color-ink);
}

.dashboard-title-box {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.status-indicator-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #22C55E;
}

.dashboard-badge {
  font-size: 0.75rem;
  font-weight: 700;
  background-color: var(--color-cobalt);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.dashboard-nodes-list {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: var(--bg-color);
  flex-grow: 1;
}

.node-item-card {
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  transition: border-color var(--transition-fast);
}

.node-item-card:hover {
  border-color: var(--color-cobalt);
}

.node-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.node-region-name {
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink);
}

.node-region-flag {
  font-size: 1.1rem;
}

.node-transit-type {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-cobalt);
  background-color: var(--color-cobalt-light);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.node-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-ink-muted);
}

.node-scenario-tags {
  display: flex;
  gap: 6px;
}

.node-scenario-tags span {
  background-color: var(--color-cream);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--color-ink);
  font-size: 0.72rem;
}

.dashboard-footer-note {
  padding: 12px 16px;
  background-color: var(--color-cream-subtle);
  border-top: 1px solid var(--color-border);
  font-size: 0.78rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Full-Width Region Index Bar
   ========================================================================== */

.region-index-section {
  background-color: var(--color-cream);
  border-bottom: 2px solid var(--color-ink);
  padding: 24px 0;
}

.region-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
}

.region-pill-box {
  background-color: var(--bg-color);
  border: 1px solid var(--color-ink);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.region-pill-header {
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.region-pill-desc {
  font-size: 0.78rem;
  color: var(--color-ink-muted);
}

/* ==========================================================================
   Bento Advantages Section
   ========================================================================== */

.section-padding {
  padding: 64px 0;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 48px auto;
}

.section-kicker {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-cobalt);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  display: block;
}

.section-h2 {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-ink-light);
  line-height: 1.7;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.bento-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: 4px 4px 0 var(--color-ink);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.bento-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--color-ink);
}

.bento-span-7 {
  grid-column: span 7;
}

.bento-span-5 {
  grid-column: span 5;
}

.bento-span-12 {
  grid-column: span 12;
}

.bento-card-cobalt {
  background-color: var(--color-cobalt);
  color: var(--color-white);
}

.bento-card-cobalt h3, .bento-card-cobalt p {
  color: var(--color-white);
}

.bento-card-cream {
  background-color: var(--color-cream);
}

.bento-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-cobalt-light);
  color: var(--color-cobalt);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  border: 1px solid var(--color-ink);
}

.bento-card-cobalt .bento-icon {
  background-color: var(--color-white);
  color: var(--color-cobalt);
}

.bento-h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.bento-body {
  font-size: 0.98rem;
  color: var(--color-ink-light);
  line-height: 1.7;
}

.bento-card-cobalt .bento-body {
  color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   AI & Streaming Scenarios Section
   ========================================================================== */

.scenarios-section {
  background-color: var(--color-cream-subtle);
  border-top: 2px solid var(--color-ink);
  border-bottom: 2px solid var(--color-ink);
}

.scenarios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.scenario-box {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 3px 3px 0 var(--color-ink);
}

.scenario-tag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.scenario-category {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-cobalt);
  background-color: var(--color-cobalt-light);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.scenario-brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.scenario-content {
  font-size: 0.92rem;
  color: var(--color-ink-light);
  line-height: 1.65;
  margin-bottom: 14px;
}

.scenario-feature-list {
  list-style: none;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.scenario-feature-list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.scenario-feature-list li::before {
  content: '✓';
  color: var(--color-cobalt);
  font-weight: bold;
}

/* ==========================================================================
   Pricing Section - Built Around Horizontal Plan Rows
   ========================================================================== */

.pricing-section {
  padding: 64px 0;
  border-bottom: 2px solid var(--color-ink);
}

.pricing-rows-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
}

.pricing-row {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  box-shadow: 4px 4px 0 var(--color-ink);
  display: grid;
  grid-template-columns: 240px 1fr 180px 180px;
  align-items: center;
  gap: 24px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pricing-row:hover {
  transform: translateY(-2px);
  box-shadow: 6px 6px 0 var(--color-ink);
}

.pricing-row-featured {
  background-color: #F8FAFD;
  border-color: var(--color-cobalt);
  border-width: 2.5px;
  position: relative;
}

.pricing-badge-popular {
  position: absolute;
  top: -12px;
  left: 28px;
  background-color: var(--color-cobalt);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-ink);
}

.pricing-col-info h3 {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-col-info .pricing-target {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
}

.pricing-col-specs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.9rem;
}

.spec-line {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-ink);
}

.spec-label {
  font-weight: 700;
  color: var(--color-ink-light);
  min-width: 70px;
}

.spec-val {
  font-weight: 600;
}

.spec-placeholder {
  color: var(--color-ink-muted);
  font-style: italic;
  font-size: 0.82rem;
}

.pricing-col-price {
  text-align: right;
}

.price-currency {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-cobalt);
}

.price-amount {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-ink);
  letter-spacing: -0.02em;
}

.price-period {
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  display: block;
}

.pricing-col-action {
  text-align: right;
}

.pricing-disclaimer-note {
  max-width: 1080px;
  margin: 28px auto 0 auto;
  padding: 16px 20px;
  background-color: var(--color-cream);
  border: 1px dashed var(--color-ink);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-ink-light);
  line-height: 1.6;
}

/* ==========================================================================
   Article Grid - 9 Cards (Cropped Geometric Artwork)
   3 Desktop / 2 Tablet / 1 Mobile
   ========================================================================== */

.articles-section {
  padding: 64px 0;
  background-color: var(--bg-color);
  border-bottom: 2px solid var(--color-ink);
}

.articles-grid-9 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.article-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  box-shadow: 4px 4px 0 var(--color-ink);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 var(--color-ink);
}

/* Cropped Geometric CSS Artwork Header */
.geometric-art-header {
  height: 110px;
  background-color: var(--color-cream);
  border-bottom: 2px solid var(--color-ink);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Geometric Artwork Variants */
.geo-art-1 {
  background: radial-gradient(circle at 80% 20%, var(--color-cobalt) 25%, transparent 26%),
              linear-gradient(135deg, var(--color-cream) 60%, var(--color-cream-deep) 60%);
}

.geo-art-2 {
  background: repeating-linear-gradient(45deg, var(--color-cream), var(--color-cream) 12px, var(--color-cream-deep) 12px, var(--color-cream-deep) 24px);
  position: relative;
}
.geo-art-2::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--color-cobalt);
  border-radius: 50%;
  left: 24px;
}

.geo-art-3 {
  background: linear-gradient(to right, var(--color-cobalt) 35%, var(--color-cream) 35%);
}

.geo-art-4 {
  background: conic-gradient(from 45deg, var(--color-cream) 0deg 90deg, var(--color-cobalt) 90deg 180deg, var(--color-cream-deep) 180deg 270deg, var(--color-ink) 270deg 360deg);
}

.geo-art-5 {
  background: radial-gradient(ellipse at bottom left, var(--color-cobalt) 40%, transparent 41%),
              linear-gradient(to top right, var(--color-cream), var(--color-cream-subtle));
}

.geo-art-6 {
  background: linear-gradient(135deg, var(--color-ink) 25%, var(--color-cobalt) 25% 50%, var(--color-cream) 50%);
}

.geo-art-7 {
  background: repeating-radial-gradient(circle at 30% 50%, var(--color-cream), var(--color-cream) 10px, var(--color-cobalt-light) 10px, var(--color-cobalt-light) 20px);
}

.geo-art-8 {
  background: linear-gradient(to bottom, var(--color-cobalt) 30%, var(--color-cream) 30%);
}

.geo-art-9 {
  background: linear-gradient(60deg, var(--color-cream-deep) 45%, var(--color-cobalt) 45% 55%, var(--color-cream) 55%);
}

.geo-art-badge {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 0.72rem;
  font-weight: 800;
  background-color: var(--color-ink);
  color: var(--color-cream);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.article-card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-card-tag {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-cobalt);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.article-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 10px;
}

.article-card-title a {
  color: var(--color-ink);
  text-decoration: none;
}

.article-card-title a:hover {
  color: var(--color-cobalt);
  text-decoration: underline;
}

.article-card-desc {
  font-size: 0.9rem;
  color: var(--color-ink-light);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.article-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
  font-size: 0.8rem;
  color: var(--color-ink-muted);
}

.article-read-more {
  font-weight: 700;
  color: var(--color-cobalt);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Testimonials Section (Sample Feedback Labeled Honestly)
   ========================================================================== */

.testimonials-section {
  padding: 64px 0;
  background-color: var(--color-cream-subtle);
  border-bottom: 2px solid var(--color-ink);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 3px 3px 0 var(--color-ink);
  display: flex;
  flex-direction: column;
}

.testimonial-label {
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--color-cream);
  color: var(--color-ink-light);
  padding: 2px 6px;
  border-radius: 2px;
  align-self: flex-start;
  margin-bottom: 12px;
}

.testimonial-quote {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-ink);
  flex-grow: 1;
  margin-bottom: 16px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--color-border);
  padding-top: 12px;
}

.testimonial-avatar {
  width: 36px;
  height: 36px;
  background-color: var(--color-cobalt);
  color: var(--color-cream);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
}

.author-role {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-ink);
}

.author-scenario {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
}

/* ==========================================================================
   FAQ Accordion Section
   ========================================================================== */

.faq-section {
  padding: 64px 0;
  border-bottom: 2px solid var(--color-ink);
}

.faq-wrapper {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  box-shadow: 3px 3px 0 var(--color-ink);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}

.faq-summary {
  padding: 20px 24px;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
  color: var(--color-ink);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--color-ink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.9rem;
  color: var(--color-cobalt);
  flex-shrink: 0;
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background-color: var(--color-cobalt);
  color: var(--color-white);
}

.faq-content {
  padding: 0 24px 24px 24px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-ink-light);
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

/* ==========================================================================
   Article Page Layout & Content Styles
   ========================================================================== */

.article-hero {
  padding: 48px 0 36px 0;
  background-color: var(--color-cream-subtle);
  border-bottom: 2px solid var(--color-ink);
}

.breadcrumb-nav {
  margin-bottom: 20px;
  font-size: 0.88rem;
  color: var(--color-ink-muted);
}

.breadcrumb-nav a {
  color: var(--color-ink-light);
  text-decoration: none;
}

.breadcrumb-nav a:hover {
  color: var(--color-cobalt);
  text-decoration: underline;
}

.breadcrumb-separator {
  margin: 0 8px;
  color: var(--color-ink-muted);
}

.article-hero-h1 {
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--color-ink-muted);
  flex-wrap: wrap;
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding: 48px 0;
}

.article-main-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-ink);
}

.article-main-content h2 {
  font-size: 1.65rem;
  font-weight: 800;
  margin: 40px 0 16px 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-ink);
}

.article-main-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 28px 0 12px 0;
  color: var(--color-cobalt);
}

.article-main-content p {
  margin-bottom: 20px;
}

.article-main-content ul, .article-main-content ol {
  margin: 16px 0 24px 24px;
}

.article-main-content li {
  margin-bottom: 8px;
}

.content-table-wrapper {
  overflow-x: auto;
  margin: 28px 0;
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-sm);
}

.content-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background-color: var(--color-white);
}

.content-table th, .content-table td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.content-table th {
  background-color: var(--color-cream);
  font-weight: 800;
  color: var(--color-ink);
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.sidebar-sticky {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-ink);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 4px 4px 0 var(--color-ink);
}

.sidebar-card-title {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

.sidebar-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-links-list a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-ink);
  display: block;
}

.sidebar-links-list a:hover {
  color: var(--color-cobalt);
}

.related-articles-section {
  padding: 48px 0;
  background-color: var(--color-cream-subtle);
  border-top: 2px solid var(--color-ink);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--color-ink);
  color: var(--color-cream);
  border-top: 3px solid var(--color-cobalt);
  padding: 56px 0 28px 0;
  margin-top: auto;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand h4 {
  color: var(--color-cream);
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-cream-deep);
  line-height: 1.6;
  max-width: 360px;
}

.footer-col h5 {
  color: var(--color-white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  border-left: 3px solid var(--color-cobalt);
  padding-left: 8px;
}

.footer-links-col {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links-col a {
  color: var(--color-cream-deep);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links-col a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(239, 233, 216, 0.2);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--color-cream-deep);
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Responsive Breakpoints & Media Queries
   Testing targets: 375px, 390px, 430px, 768px, 1024px, 1440px
   ========================================================================== */

/* Tablet & Smaller (<= 1024px) */
@media (max-width: 1024px) {
  .hero-h1 {
    font-size: 48px;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .bento-span-7, .bento-span-5 {
    grid-column: span 12;
  }
  
  .pricing-row {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  
  .pricing-col-price, .pricing-col-action {
    text-align: left;
  }
  
  .articles-grid-9 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .article-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  :root {
    --body-size: 16px;
  }

  .nav-desktop, .header-cta-group .btn-outline {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero-h1 {
    font-size: 39px; /* Required 39px mobile */
    line-height: 1.15;
  }
  
  .section-h2 {
    font-size: 1.75rem;
  }
  
  .pricing-row {
    grid-template-columns: 1fr;
    padding: 20px;
    gap: 16px;
  }
  
  .articles-grid-9 {
    grid-template-columns: 1fr;
  }
  
  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .footer-bottom-bar {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Compact Mobile (<= 430px, 390px, 375px) */
@media (max-width: 430px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  
  .hero-h1 {
    font-size: 36px;
  }
  
  .bento-card {
    padding: 20px;
  }
  
  .pricing-row {
    padding: 16px;
  }
  
  .hero-cta-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .hero-cta-bar .btn {
    width: 100%;
  }
}

/* Accessibility: Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  
  .hero-animated-line {
    animation: none !important;
    transform: scaleX(1) !important;
  }
}